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1.发明授权公开(公告)号：US10044272B2
公开(公告)日：2018-08-07
申请号：US15803395
申请日：2017-11-03
Applicant: Samsung Electronics Co., Ltd.
Inventor： Ji Seon Paek , Dongsu Kim , Younghwan Choo
Abstract: A transmitting device including: a modem configured to generate a baseband signal and an envelope data corresponding to the baseband signal; a supply modulator including a first switched-mode power supplier and a second switched-mode power supplier, the supply modulator configured to provide a modulated voltage to an output node based on the envelope data; and a power amplifier configured to amplify a carrier wave signal by using the modulated voltages, the carrier wave signal being associated with the baseband signal, wherein the first switched-mode power supplier includes: a pulse input node to receive a pulse signal generated in association with the envelope data; and a plurality of stages sequentially connected between the pulse input node and the output node, the plurality of stages configured to adjust the modulated voltage by filtering certain frequency band of the pulse signal, and the plurality of stages includes at least one variable impedance.
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公开(公告)号：US10523120B2
公开(公告)日：2019-12-31
申请号：US16052557
申请日：2018-08-01
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yongsik Youn , Takahiro Nomiyama , Younghwan Choo , Dongsu Kim
Abstract: According to some example embodiments, an apparatus includes a buck-boost converter, a first buck converter connected at an output terminal of the buck-boost converter, a second buck converter connected at the output terminal of the buck-boost converter, a first LA including a first supply voltage input connected to the output terminal of the buck-boost converter, and an output terminal connected to an output terminal of the first buck converter, where the first LA is configured to provide a first modulated supply voltage to a first PA of a first transmitter, and a second LA including a second supply voltage input connected to the output terminal of the buck-boost converter, and an output terminal connected to an output terminal of the second buck converter, where the second LA is configured to provide a second modulated supply voltage to a second PA of a second transmitter.
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公开(公告)号：US11949384B2
公开(公告)日：2024-04-02
申请号：US17313364
申请日：2021-05-06
Applicant: Samsung Electronics Co., Ltd.
Inventor： Junsuk Bang , Dongsu Kim
CPC classification number: H03F1/0238 , H03F3/245 , H03F2200/105 , H03F2200/451
Abstract: A supply modulator including a multiple output voltage regulator (MOVR) configured to output voltages in a discrete level-envelope tracking mode (DLETM) having different levels from each other respectively corresponding to reference output voltage signals, a switching regulator configured to output a switching regulator voltage, an output voltage being based on the switching regulator voltage and a selected voltage among the voltages in the DLETM and based on the switching regulator voltage in an average power tracking mode, a switching regulator controller configured to sense an output current of the MOVR to obtain a sensing value, and control the switching regulator based on the sensing value in the DLETM, a switch array comprising switches respectively corresponding to the voltages and configured to selectively connect the selected voltage to a power amplifier by performing a switching operation, and a switch controller configured to control the switching operation.
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公开(公告)号：US11652501B2
公开(公告)日：2023-05-16
申请号：US17503632
申请日：2021-10-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dongsu Kim , Junsuk Bang
CPC classification number: H04B1/1615 , H04B1/04 , H04B1/18 , H04B2001/0408
Abstract: Provided are a supply modulator and a wireless communication apparatus including the same. A supply modulator according to the inventive concept is driven in any one of an average power tracking mode and a discrete level envelope tracking mode to apply an output voltage to a power amplifier, and includes a multiple output voltage balancer, a switching regulator, a switching regulator controller, a switch array, a discrete-level controller, a switch controller, an output filter, and a main controller.
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公开(公告)号：US12283920B2
公开(公告)日：2025-04-22
申请号：US18597190
申请日：2024-03-06
Applicant: Samsung Electronics Co., Ltd.
Inventor： Junsuk Bang , Dongsu Kim
Abstract: A supply modulator including a multiple output voltage regulator (MOVR) configured to output voltages in a discrete level-envelope tracking mode (DLETM) having different levels from each other respectively corresponding to reference output voltage signals, a switching regulator configured to output a switching regulator voltage, an output voltage being based on the switching regulator voltage and a selected voltage among the voltages in the DLETM and based on the switching regulator voltage in an average power tracking mode, a switching regulator controller configured to sense an output current of the MOVR to obtain a sensing value, and control the switching regulator based on the sensing value in the DLETM, a switch array comprising switches respectively corresponding to the voltages and configured to selectively connect the selected voltage to a power amplifier by performing a switching operation, and a switch controller configured to control the switching operation.
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Patent Agency Ranking
公开(公告)号：US11677356B2
公开(公告)日：2023-06-13
申请号：US17031172
申请日：2020-09-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dongsu Kim , Junsuk Bang
CPC classification number: H03F1/0227 , H03F3/19 , H03F3/245 , H03F2200/102 , H03F2200/432 , H03F2200/451
Abstract: A supply modulator includes a linear regulator that generates an output voltage in an envelope tracking mode. A switching regulator operates with the linear regulator to generate the output voltage in the envelope tracking mode and to selectively generate the output voltage in an average power tracking mode. A single inductor multiple output converter operates selectively with the switching regulator to generate the output voltage in the average power tracking mode, operates to provide a power supply voltage to the linear regulator in the envelope tracking mode, and includes a first capacitor connected with a power supply terminal of the linear regulator and a second capacitor selectively connected with an output terminal of the linear regulator through a first switch. A main controller decides a tracking mode to be executed by the supply modulator.
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公开(公告)号：US11522456B2
公开(公告)日：2022-12-06
申请号：US16730628
申请日：2019-12-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yongsik Youn , Takahiro Nomiyama , Younghwan Choo , Dongsu Kim
Abstract: According to some example embodiments, an apparatus includes a buck-boost converter, a first buck converter connected at an output terminal of the buck-boost converter, a second buck converter connected at the output terminal of the buck-boost converter, a first LA including a first supply voltage input connected to the output terminal of the buck-boost converter, and an output terminal connected to an output terminal of the first buck converter, where the first LA is configured to provide a first modulated supply voltage to a first PA of a first transmitter, and a second LA including a second supply voltage input connected to the output terminal of the buck-boost converter, and an output terminal connected to an output terminal of the second buck converter, where the second LA is configured to provide a second modulated supply voltage to a second PA of a second transmitter.
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公开(公告)号：US20190074769A1
公开(公告)日：2019-03-07
申请号：US16052557
申请日：2018-08-01
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yongsik Youn , Takahiro Nomiyama , Younghwan Choo , Dongsu Kim
Abstract: According to some example embodiments, an apparatus includes a buck-boost converter, a first buck converter connected at an output terminal of the buck-boost converter, a second buck converter connected at the output terminal of the buck-boost converter, a first LA including a first supply voltage input connected to the output terminal of the buck-boost converter, and an output terminal connected to an output terminal of the first buck converter, where the first LA is configured to provide a first modulated supply voltage to a first PA of a first transmitter, and a second LA including a second supply voltage input connected to the output terminal of the buck-boost converter, and an output terminal connected to an output terminal of the second buck converter, where the second LA is configured to provide a second modulated supply voltage to a second PA of a second transmitter.
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9.发明授权公开(公告)号：US09843260B1
公开(公告)日：2017-12-12
申请号：US15400414
申请日：2017-01-06
Applicant: Samsung Electronics Co., Ltd.
Inventor： Ji Seon Paek , Dongsu Kim , Younghwan Choo
CPC classification number: H02M3/158 , H03F1/0227 , H03F3/2173 , H03F3/24 , H03F2200/102
Abstract: A supply modulator including a first switched-mode power supplier configured to transmit a modulated voltage to an output node in response to an envelope signal, the first switched mode power supplier including: a switching circuit configured to transmit a pulse signal in response to the amplitude of the envelope signal; and a low pass filter configured to generate the modulated voltage by filtering certain frequency band of the pulse signal, the low pass filter comprising a plurality of stages; and a second switched-mode power supplier configured to selectively transmit a compensation current to the output node in response to the current transmitted from the first switched-mode power supplier, wherein each of the plurality of stages of the low pass filter comprises at least one variable impedances.
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公开(公告)号：US12057811B2
公开(公告)日：2024-08-06
申请号：US17513488
申请日：2021-10-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dongsu Kim , Sungyoub Jung , Younghwan Choo
CPC classification number: H03F1/0211 , H03F3/245 , H03F2200/451
Abstract: A supply modulator includes a multi-level voltage generator configured to generate a plurality of power voltages having different voltage levels; a switch array including a plurality of switches respectively corresponding to the plurality of power voltages, and outputting one of the plurality of power voltages by activating connection of one of the plurality of switches; and a switch controller configured to control connection of each of the plurality of switches and activate connection of at least one third switch distinguished from a first switch and a second switch in response to receiving a level control signal switching the connection from the first switch to the second switch during a time period corresponding to a frequency to be attenuated between disconnecting the first switch and connecting the second switch.
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